The iPat environmental film series will kick of the spring semester with “Shattered Sky” at 7 p.m. Tuesday (Feb. 4) in the Christie Theatre. The documentarytells the story of hownAmerica led the world to solve what some believe the biggest environmental crisis ever seen — the hole in the ozone layer. Guest commentator for after the film is Michael Grimm, conservation ecologist with the Nature Conservancy of Door Peninsula & Green Bay Watershed. The iPat Film Series (impact = population * affluence * technology) is sponsored by PEAC, The Center for Public Affairs, and the Department of Public and Environmental Affairs. All showings are free and open to the public — and free popcorn will be available! To see the spring schedule.